// test.js

const fourArithmetic = require('./fourArithmetic');

console.log('1 + 2 =', fourArithmetic('1+2'));
console.log('3 - 2 =', fourArithmetic('3-2'));
console.log('2 * 3 =', fourArithmetic('2*3'));
console.log('4 / 2 =', fourArithmetic('4/2'));
console.log('5 / 0 =', fourArithmetic('5/0'));
console.log('+ 1 2 =', fourArithmetic('+1 2'));
console.log('1 + 2 x 3 =', fourArithmetic('1+2x3'));
